#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QColorDialog>
MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
{
    ui->setupUi(this);
}

MainWindow::~MainWindow()
{
    delete ui;
}


void MainWindow::on_pushButton_clicked()
{
    //用getColor实现
    QColor color = QColorDialog::getColor(QColor(0,0,0),this,"选择颜色");

    QString style = "background-color: rgb("+QString::number(color.red())+","+QString::number(color.green())+","+QString::number(color.blue())+");";
    this->setStyleSheet(style);
}
